Home / 45,506.43-68,268.69-13,920.93

Finding the Fourth Proportional to 45,506.43, 68,268.69 and 13,920.93

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Solution

The fourth proportional to 45,506.43, 68,268.69 and 13,920.93 is: 20,884.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,506.43 : 68,268.69 = 13,920.93 : x
  2. Step 2: Convert to fraction form
    45,506.43/68,268.69 = 13,920.93/x
  3. Step 3: Cross multiply
    45,506.43x = 68,268.69 × 13,920.93
  4. Step 4: Simplify right side
    45,506.43x = 950,363,654.68
  5. Step 5: Solve for x
    x = 950,363,654.68/45,506.43
  6. Step 6: Final answer
    x = 20,884.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.